This fixes the breakage caused by

commit eddfcbcdc27fbecb33bff098967bbdd7ca75bfa6
Author: Maarten Lankhorst <[email protected]>
Date:   Mon Jun 15 12:33:53 2015 +0200

    drm/i915: Update less state during modeset.

    No need to repeatedly call update_watermarks, or update_fbc.
    Down to a single call to update_watermarks in .crtc_enable

    Signed-off-by: Maarten Lankhorst <[email protected]>
    Reviewed-by: Matt Roper <[email protected]>
    Tested-by(IVB): Matt Roper <[email protected]>
    Signed-off-by: Daniel Vetter <[email protected]>

Add missing shared dpll disable to the noatomic disable function.

This function will be replaced by its atomic counterpart soon.

Changes since v1:
- intel_crtc->active and watermarks are fixed by a patch from
  Patrik Jakobsson

Signed-off-by: Maarten Lankhorst <[email protected]>
---
diff --git a/drivers/gpu/drm/i915/intel_display.c 
b/drivers/gpu/drm/i915/intel_display.c
index 80a08c701574..887ba0a54352 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -6184,6 +6184,7 @@ static void intel_crtc_disable_noatomic(struct drm_crtc 
*crtc)
 
        intel_crtc_disable_planes(crtc, crtc->state->plane_mask);
        dev_priv->display.crtc_disable(crtc);
+       intel_disable_shared_dpll(intel_crtc);
 
        domains = intel_crtc->enabled_power_domains;
        for_each_power_domain(domain, domains)

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